Lianescent and ground-creeping herb with short clasping roots at and below the nodes; internodes 2.5–8 cm. long, 0.25–0.6 cm. in diameter; epidermis (when dried) tan-coloured, sparsely and distinctly tuberculate.. Petiole 3.8–13.7 cm. long; sheath usually more than half total petiole length; blade obliquely ovate to oblong-ovate, 6.6–19.3 cm. long, 3.8–10.2 cm. broad, 1.5–2.4 cm. times longer than broad, shortly acuminate to cuspidate, base rounded, subcordate, obtuse or subacute; pellucid glands sparse to frequent, variable in size, punctate or linear and up to 0.4 cm. long; primary lateral veins forming looping inframarginal veins, at least in upper half of blade.. Inflorescences (3–)4–8(–12), usually 4, inserted on a very short sympodium; all peduncles except the first subtended by lanceolate bracts; peduncle 3–8.5 cm. long.. Spathe slightly constricted centrally when closed, green, 2–4 cm. long, 0.5–0.9 cm. in diameter when closed, boat-shaped and gaping at anthesis.. Spadix subequal to spathe; staminate part 1.5 cm. long, 0.55 cm. in diameter; pistillate part 0.5–0.6 cm. long, with naked basal stipe 0.2–0.7 cm. long, 0.25 cm. in diameter.. Pistils densely congested, subprismatic; stigma sessile, circular, excentric.. Berries obovoid to ellipsoid, 0.8–1.1 cm. long, 0.6–0.7 cm. in diameter (when dried), glossy red; mature inflorescences usually with less than 4 berries.. Fig. 4/10,11 & fig. 5.
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